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Radeon R9 Fury X vs Radeon RX 6900 XT

Intro

The Radeon R9 Fury X has a GPU clock speed of 1050 MHz, and the 4096 MB of HBM RAM runs at 500 MHz through a 4096-bit bus. It also features 4096 Stream Processors, 256 Texture Address Units, and 64 ROPs.

Compare that to the Radeon RX 6900 XT, which features a GPU core clock speed of 1825 MHz, and 16384 MB of GDDR6 RAM running at 2000 MHz through a 256-bit bus. It also is comprised of 5120 SPUs, 320 Texture Address Units, and 128 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Fury X 275 Watts
Radeon RX 6900 XT 300 Watts
Difference: 25 Watts (9%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6900 XT should be 2% quicker than the Radeon R9 Fury X overall, due to its higher data rate. (explain)

Radeon RX 6900 XT 524288 MB/sec
Radeon R9 Fury X 512000 MB/sec
Difference: 12288 (2%)

Texel Rate

The Radeon RX 6900 XT will be a lot (about 117%) better at anisotropic filtering than the Radeon R9 Fury X. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
Radeon R9 Fury X 268800 Mtexels/sec
Difference: 315200 (117%)

Pixel Rate

The Radeon RX 6900 XT will be a lot (more or less 248%) better at AA than the Radeon R9 Fury X, and also should be able to handle higher resolutions while still performing well. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
Radeon R9 Fury X 67200 Mpixels/sec
Difference: 166400 (248%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Radeon R9 Fury X

Amazon.com

Check prices at:

Radeon RX 6900 XT

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon R9 Fury X Radeon RX 6900 XT
Manufacturer AMD AMD
Year June 2015 2020
Code Name Fiji XT Navi 21
Memory 4096 MB 16384 MB
Core Speed 1050 MHz 1825 MHz
Memory Speed 500 MHz 4000 GB/s
Power (Max TDP) 275 watts 300 watts
Bandwidth 512000 MB/sec 524288 MB/sec
Texel Rate 268800 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 4096 5120
Texture Mapping Units 256 320
Render Output Units 64 128
Bus Type HBM GDDR6
Bus Width 4096-bit 256-bit
Fab Process 28 nm 7 nm
Transistors 8900 million 26800 million
Bus PCIe 3.0 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 Fury X

Amazon.com

Check prices at:

Radeon RX 6900 XT

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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